Re: [Veritas-bu] Exchange 2010 DAG private backup network failover provi

My MS guy isn’t here but from my master’s hosts file I have comments that say:

Exchange DAG backup starts with DAG host name (DAG1, DAG2, DAG3 etc...) but

then dispatches to preferred node to do the actual data backup. It switches to other node if preferred isn't available.

So the DAG address (DAG1, DAG2, DAG3) is the 10.x non-private LAN but for the last DAG we added (DAG 3)

I created private LAN addresses in the 172.x range like the rest of our backup LAN IPs and it worked.

So if you had a 2 node DAG setup you might have entries for

DAG that had a single IP for that DAG in the non-private network.

host1 that has a private network IP for the first (preferred) node.

host2 that has a private network IP for the second (preferred) node.

Not sure how that is configured on the MS side though.

From: veritas-bu-bounces AT mailman.eng.auburn DOT edu [mailto:veritas-bu-bounces AT mailman.eng.auburn DOT edu] On Behalf Of Herbert.George
Sent: Wednesday, January 25, 2012 12:38 PM
To: veritas-bu AT mailman.eng.auburn DOT edu
Subject: [Veritas-bu] Exchange 2010 DAG private backup network failover provision

I am curious if anyone has implemented backups for Exchange 2010 DAG over a private backup network.

If the Exchange setup were an ordinary cluster, we could create a cluster resource for the backup NIC and have it reregister on another server if the main server fails. On exchange 2010, I understand that the is no real cluster but only a “pseudo”-cluster. I am at a loss as to how to handle this.

Thanks,

George Herbert

SunTrust Banks, Inc.

Live Solid. Bank Solid.

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Re: [Veritas-bu] Exchange 2010 DAG private backup network failover provision